Tuesday 4/9/1981 :
   Dave Henderson was injured while running the bases.
   Diagnosis: Pulled Hamstring Muscle.
   He is day-to-day, but full recovery will take one week.
 

 
 Thursday 4/11/1981 :
   John Tudor was injured while pitching.
   Diagnosis: Inflamed Rotator Cuff Muscle.
   He will be OK in about 3 weeks.
 

 
 Friday 4/12/1981 :
   Bud Bulling was injured in a collision at home plate.
   Diagnosis: Broken Finger.
   He will be OK in about 5 weeks.
 

 
 Friday 4/19/1981 :
   Mike Reinbach was injured while running the bases.
   Diagnosis: Strained Back Muscle.
   He is day-to-day, but full recovery will take one week.
 

 
 Sunday 5/5/1981 :
   Dave Henderson was injured being hit by a pitch.
   Diagnosis: Bruised Hand.
   He is day-to-day, but full recovery will take 3 days.
 

 
 Saturday 5/18/1981 :
   Rich Wortham was injured while pitching.
   Diagnosis: Tender Shoulder.
   He is day-to-day, but full recovery will take one week.
 

 
 Wednesday 5/22/1981 :
   Lyman Bostock was injured while making a catch.
   Diagnosis: Bruised Neck.
   He is day-to-day, but full recovery will take 4 days.
 

 
 Monday 6/3/1981 :
   Frank Tanana was injured while pitching.
   Diagnosis: Stiff Shoulder.
   He is day-to-day, but full recovery will take one week.
 

 
 Monday 7/8/1981 :
   Darryl Jones was injured while running the bases.
   Diagnosis: Inflamed Achilles Tendon.
   He is day-to-day, but full recovery will take 1-2 weeks.
 

 
 Thursday 7/11/1981 :
   Don Money was injured while throwing a ball.
   Diagnosis: Stiff Shoulder.
   He is day-to-day, but full recovery will take 5 days.
 

 
 Saturday 7/20/1981 :
   Harry Spilman was injured while running the bases.
   Diagnosis: Strained Medial Collateral Ligament.
   He is out for about 3-4 weeks.
 

 
 Thursday 7/25/1981 :
   Rich Wortham was injured while pitching.
   Diagnosis: Ruptured Bicep Tendon.
   He is out for about 6 weeks.
 

 
 Tuesday 7/30/1981 :
   Darryl Jones was injured while running the bases.
   Diagnosis: Pulled Calf Muscle.
   He is day-to-day, but full recovery will take 5 weeks.
 

 
 Wednesday 7/31/1981 :
   John Tudor was injured while pitching.
   Diagnosis: Blister On Finger.
   He is day-to-day, but full recovery will take 6 days.
 

 
 Thursday 8/22/1981 :
   Tom Seaver was injured while pitching.
   Diagnosis: Strained Back Muscle.
   He is day-to-day, but full recovery will take 5-6 weeks.
 

 
 Sunday 9/1/1981 :
   Jack Morris was injured while pitching.
   Diagnosis: Inflamed Tricep Muscle.
   He is day-to-day, but full recovery will take 2 weeks.
 

 
 Wednesday 10/2/1981 :
   Mike Schmidt was injured while running the bases.
   Diagnosis: Inflamed Back Muscle.
   He will be OK in about 1-2 weeks.